chapter 2 part 2

Question 1

dynamic stability of the body’s internal conditions

Answer 1

homeostasis

Question 2

homeo

Answer 2

balance

Question 3

stasis

Answer 3

stable

Question 4

monitors and send information to a control center

Answer 4

receptors

Question 5

detects changes and provides information about the increase in temperature (variable)

Answer 5

sensors

Question 6

receives sensory information, takes action to reverse the increase/decrease of the variable

Answer 6

control center

Question 7

changes made by effectors keep, parameters, or variables, near setpoint.

Answer 7

effector

Question 8

physiological value around which the normal range fluctuates

Answer 8

set point

Question 9

a mechanism that reverses a deviation from the setpoint

Answer 9

negative feedback

Question 11

intensifies a change in the body’s physiological condition

Answer 11

positive feedback

Question 12

a hormone released by the pancreas to alert the body of this decrease in nutrients

Answer 12

glucagon

Question 13

smallest unit of elements

Answer 13

atom

Question 14

two or more atoms combined

Answer 14

molecule

Question 15

the chemical building blocks of all body structure

Answer 15

molecule

Question 16

smallest independently functioning unit of a living thing

Answer 16

cell

Question 17

a protective membrane that encloses a variety of tiny functioning units

Answer 17

organelles

Question 18

group of many cells that work together to perform a specific function

Answer 18

tissue

Question 19

a structure that is composed of two or more tissue types

Answer 19

organ

Question 20

a group of organs that work together

Answer 20

organ system